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<div class="subTitle">org.apache.commons.collections4</div>
<h2 title="Interface Closure" class="title">Interface Closure&lt;T&gt;</h2>
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>T</code> - the type that the closure acts on</dd></dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/apache/commons/collections4/functors/CatchAndRethrowClosure.html" title="class in org.apache.commons.collections4.functors">CatchAndRethrowClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/ChainedClosure.html" title="class in org.apache.commons.collections4.functors">ChainedClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/ExceptionClosure.html" title="class in org.apache.commons.collections4.functors">ExceptionClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/ForClosure.html" title="class in org.apache.commons.collections4.functors">ForClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/IfClosure.html" title="class in org.apache.commons.collections4.functors">IfClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/NOPClosure.html" title="class in org.apache.commons.collections4.functors">NOPClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/SwitchClosure.html" title="class in org.apache.commons.collections4.functors">SwitchClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/TransformerClosure.html" title="class in org.apache.commons.collections4.functors">TransformerClosure</a>, <a href="../../../../org/apache/commons/collections4/functors/WhileClosure.html" title="class in org.apache.commons.collections4.functors">WhileClosure</a></dd>
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<pre>public interface <span class="strong">Closure&lt;T&gt;</span></pre>
<div class="block">Defines a functor interface implemented by classes that do something.
 <p>
 A <code>Closure</code> represents a block of code which is executed from
 inside some block, function or iteration. It operates an input object.
 <p>
 Standard implementations of common closures are provided by
 <a href="../../../../org/apache/commons/collections4/ClosureUtils.html" title="class in org.apache.commons.collections4"><code>ClosureUtils</code></a>. These include method invocation and for/while loops.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.0</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: Closure.java 1543261 2013-11-19 00:47:34Z ggregory $</dd></dl>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/commons/collections4/Closure.html#execute(T)">execute</a></strong>(<a href="../../../../org/apache/commons/collections4/Closure.html" title="type parameter in Closure">T</a>&nbsp;input)</code>
<div class="block">Performs an action on the specified input object.</div>
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<h4>execute</h4>
<pre>void&nbsp;execute(<a href="../../../../org/apache/commons/collections4/Closure.html" title="type parameter in Closure">T</a>&nbsp;input)</pre>
<div class="block">Performs an action on the specified input object.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>input</code> - the input to execute on</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</a></code> - (runtime) if the input is the wrong class</dd>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - (runtime) if the input is invalid</dd>
<dd><code><a href="../../../../org/apache/commons/collections4/FunctorException.html" title="class in org.apache.commons.collections4">FunctorException</a></code> - (runtime) if any other error occurs</dd></dl>
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